DK144744B
(da )
1982-05-24
Ventil med en spindeltaetning
US20090120182A1
(en )
2009-05-14
Submarine sampler
US4998432A
(en )
1991-03-12
Apparatus and method for measuring a gas content of liquid metal and probe used therein
PL80392B1
(cs )
1975-08-30
DE501766C
(de )
1930-07-09
Verfahren und Vorrichtung zur Messung der Konsistenz von Beton
US3757577A
(en )
1973-09-11
Hydraulic remote fluid flow indicating device
US3091115A
(en )
1963-05-28
Apparatus for determining soil moisture content
CN212658586U
(zh )
2021-03-05
一种土体渗透系数室内测定装置
US1215129A
(en )
1917-02-06
Flow-indicating valve.
CA1210957A
(en )
1986-09-09
Head for the detection of a liquid level by hydrostatic action
US3433056A
(en )
1969-03-18
Permeability cell
CN115855572A
(zh )
2023-03-28
一种湖库水质监测用的无人机
US2194891A
(en )
1940-03-26
Gas holder for a permeability meter
US3140724A
(en )
1964-07-14
Pivoted pressure release valve for use with a permeability meter
US1384886A
(en )
1921-07-19
Testing device
US77809A
(en )
1868-05-12
Thomas flin
CN219830465U
(zh )
2023-10-13
一种水质检测用快速取样设备
US2686425A
(en )
1954-08-17
Permeameter
JPS62170834A
(ja )
1987-07-27
原位置のスライム,ヘドロ水等の採取器
US26950A
(en )
1860-01-24
p peters
GB793409A
(en )
1958-04-16
Improvements in or relating to the checking of the dimensions of articles
JPS6113827Y2
(cs )
1986-04-28
SU763585A1
(ru )
1980-09-15
Устройство дл определени фильтрации грунтов
US1689659A
(en )
1928-10-30
Specific-gravity indicator
US79672A
(en )
1868-07-07
David mcfabland